CVE-2009-1154

UnknownEPSS 1.37%

Last modified

CVE-2009-1154 is a vulnerability of currently unknown severity. Cisco IOS XR 3.8.1 and earlier allows remote attackers to cause a denial of service (process crash) via a long BGP UPDATE message, as demonstrated by a message with many AS numbers in the AS Path Attribute.. EPSS estimates a 1.37% chance of exploitation in the next 30 days.

Description

Cisco IOS XR 3.8.1 and earlier allows remote attackers to cause a denial of service (process crash) via a long BGP UPDATE message, as demonstrated by a message with many AS numbers in the AS Path Attribute.

Metrics

EPSS Probability
1.37%

68.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
CiscoIos Xr<= 3.8.1
CiscoIos Xr3.4
CiscoIos Xr3.4.0
CiscoIos Xr3.4.1
CiscoIos Xr3.4.2
CiscoIos Xr3.4.3
CiscoIos Xr3.5
CiscoIos Xr3.5.2
CiscoIos Xr3.5.3
CiscoIos Xr3.5.4
CiscoIos Xr3.6.0
CiscoIos Xr3.6.1
CiscoIos Xr3.6.2
CiscoIos Xr3.6.3
CiscoIos Xr3.7.0
CiscoIos Xr3.7.1
CiscoIos Xr3.7.2
CiscoIos Xr3.7.3
CiscoIos Xr3.8.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2009-1154?
Cisco IOS XR 3.8.1 and earlier allows remote attackers to cause a denial of service (process crash) via a long BGP UPDATE message, as demonstrated by a message with many AS numbers in the AS Path Attribute.
How severe is CVE-2009-1154?
Severity scoring for CVE-2009-1154 is pending analysis. The EPSS model estimates a 1.37% probability of exploitation in the next 30 days.
How do I fix CVE-2009-1154?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2009-1154?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST